president obama: i'm barack obama and... i approve this message. . >>> the number of students enrolled in d.c. schools is at the highest level in more than a decade. nearly 81,000 students are enrolled in d.c. public schools. most of the gains in public charter schools with more than 35,000 students. the public schools themes have more than 45,000. this is the fourth consecutive year of enrollment growth. >>> more young adults are calling d.c. home. according to census data, each year from 2009-2011, the washington region gained more than 10,000 people and that is ages 25-34. during the same period, the area lost 7,000 people, 55 and older. richard johnson is a senior research associate at the irvine institute. thank you for coming in tonight. >> thank you, will. good to be with you. >> how much of this trend of losing older adults has to do with employment and retirement options? >> i think it reflects the economic vibrancy of the washington area. it takes a lot of money to relocate and we have a lot of retirees who can do